11233220231212 has 24 divisors (see below), whose sum is σ = 22467407275040. Its totient is φ = 4814030067840.

The previous prime is 11233220231197. The next prime is 11233220231221. The reversal of 11233220231212 is 21213202233211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7969089 + ... + 9272152.

Almost surely, 2^{11233220231212} is an apocalyptic number.

It is an amenable number.

11233220231212 is an abundant number, since it is smaller than the sum of its proper divisors (11234187043828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11233220231212 is a wasteful number, since it uses less digits than its factorization.

11233220231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17264521 (or 17264519 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11233220231212 its reverse (21213202233211), we get a palindrome (32446422464423).

The spelling of 11233220231212 in words is "eleven trillion, two hundred thirty-three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twelve".